Shaun Paul Cassidy (born September 27, 1958) is an American singer, actor, television producer and screenwriter. He has created and/or produced a number of television series, including American Gothic, Roar, and Invasion. Cassidy was also an executive producer and writer for NBC's medical drama New Amsterdam. While in high school, Cassidy signed a contract with Warner Bros. Records, leading to his albums Shaun Cassidy, Born Late, Under Wraps, Room Service, and Wasp. Almost concurrently, Cassidy starred in the ABC television... [more on Wikipedia]